https://www.gamespot.com/articles/call-of-duty-black-ops-4-will-push-the-envelope-ac/1100-6458727/

We're just a few days away from learning lots more about Call of Duty: Black Ops 4, but ahead of that, publisher Activision Publishing continues to tease the military shooter. During an earnings call today, Activision Publishing president Coddy Johnson started off by praising developer Treyarch for their "proven track record of innovation"; the studio created the uber-popular Zombies mode and also the Pick Ten multiplayer system that debuted in Black Ops II (and might be featured in Black Ops 4, if a recent tease is to be believed).

Johnson said Treyarch is not resting on its laurels with Black Ops 4. "This is a game that is not just going to build on our strengths; it will continue to push the envelope in innovation," he teased. "You will see that in the core game itself, where we have a number of new, exciting developments."